FLS may refer to:
Places
- Flinders Island Airport, in Tasmania, Australia
- Fordham Law School in New York City, US
- Free Library of Springfield Township in Wyndmoor, Pennsylvania, US
- Frontline States, a former anti-apartheid organization
Organizations
- Fellow of the Linnean Society
- Fiji Law Society
- Flowserve, a US industrial machinery supplier
- FLSmidth, a Danish technology company
- The Folklore Society, UK
- Forestry and Land Scotland
Science
- Fibroblast-like synoviocyte, a cell type
See also
- FL (disambiguation)